<!-- Copyright 2014 Google Inc. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->

<polymer-element name="cxx-clause" extends="cxx-section">
  <script>
    (function() {
      function updateTocClauses() {
        this.super();
        var toc = document.querySelector('cxx-toc');
        if (toc) {
          toc.updateClauses();
        }
      }
      Polymer('cxx-clause', {

        // Convenience function at the clause level, which gets called
        // from <cxx-toc>. If the clause is explicitly numbered, then
        // this sets the clause_num to that value. Otherwise, the clause
        // number is set to the argument clause_num. This returns
        // 1 + the value set.
        //
        // Note that this will recursively set the section numbers for
        // this clause.
        set_clause_num: function(clause_num) {
          // If the author explicitly specified the clause number, don't
          // use a different number.
          if (this.number)
            clause_num = Number(this.number)
          this.update_sec_nums(clause_num);
          return clause_num + 1;
        },

        domReady: updateTocClauses,
        detached: updateTocClauses,
      });
    })();
  </script>
</polymer-element>
